INCOME TAXES (Details 2) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Effective Income Tax Rate Reconciliation Line Items [Line Items]
Tax benefit at statutory rate	$ (3,662,000)	$ (3,214,000)
Effect of tax law change	52,258,000	0
State taxes	(290,000)	(232,000)
Net R&D credit adjustment	(185,000)	(105,000)
Attribute expiration	50,000	0
Nondeductible expenses	6,000	4,000
Change in valuation allowance	(48,117,000)	3,461,000
Other	125,000	177,000
Changes in applicable tax rates	(185,000)	(91,000)
Total	$ 0	$ 0